John William Oates (born April 7, 1949) is an American rock, R&B and soul guitarist, musician, songwriter and producer best known as half of the rock and soul duo Hall & Oates (with founder/lead vocalist/occasional instrumentalist Daryl Hall). Though he was a primary guitarist, he also co-wrote 8 Billboard Number One songs such as: "Sara Smile" (with Daryl Hall - a song that refers to Hall's then-girlfriend, Sara Allen), "You Make My Dreams" (with Sara Allen & Daryl Hall), "She's Gone" (with Daryl Hall), "I...